Picking the Perfect Toothpaste

Find the best tube for you based on your oral health needs

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With more varieties of toothpaste out there than flavors of ice cream, how can you pick one? Start by making sure that it has fluoride (to prevent cavities) and that it's been approved by the American Dental Association (look for the seal). Then weigh your options depending on your personal needs:

It won't remove existing tartar, but it contains chemicals that help slow down the rate at which tartar accumulates. Because tartar absorbs stains easily, keeping it at bay can help maintain tooth color. (Warning: These pastes may irritate sensitive teeth.)

Preventing tooth enamel from thinning

Enamel care (such as Colgate Total Enamel Strength)

Enamel care formulas are less abrasive, so they're gentler, or they contain calcium to strengthen teeth.

Silicas are mild abrasives, so they can help scrub stains away yet won't wear down enamel. Sodium hexametaphosphate works by absorbing stain-causing molecules. Skip toothpastes with hydrogen peroxide; although it's a good whitener, it has to be in contact with teeth for a longer time to be effective.

Reducing pain caused by hot or cold foods

A sensitive-teeth formula (such as Sensodyne)

It contains potassium nitrate, which penetrates the tooth's pores to form a protective cover around the nerve. You should see results within 2 to 4 weeks. If not, consult your dentist; you may need other treatment.